7PY3

CryoEM structure of E.coli RNA polymerase elongation complex bound to NusA (the consensus NusA-EC)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA-directed RNA polymerase subunit alpha	polymer	329	36558.7	2	UniProt (P0A7Z4) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB	Escherichia coli	RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
2	C	DNA-directed RNA polymerase subunit beta	polymer	1342	150820.9	1	UniProt (P0A8V4) Pfam (PF04560) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) UniProt (by SIFTS) (P0A8V2) In PDB	Escherichia coli	RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
3	D	DNA-directed RNA polymerase subunit beta'	polymer	1407	155366.8	1	UniProt (P0A8T8) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) UniProt (by SIFTS) (P0A8T7) In PDB	Escherichia coli	RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
4	E	DNA-directed RNA polymerase subunit omega	polymer	91	10249.5	1	UniProt (P0A800) Pfam (PF01192) In PDB	Escherichia coli	RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
5	F	Transcription termination/antitermination protein NusA	polymer	495	54932.7	1	UniProt (P0AFF6) Pfam (PF08529) Pfam (PF00575) Pfam (PF13184) Pfam (PF14520) In PDB	Escherichia coli MS 115-1	N utilization substance protein A,Transcription termination/antitermination L factor
6	N	ntDNA	polymer	39	12063.8	1		Escherichia coli
7	T	tDNA	polymer	39	11897.6	1		Escherichia coli
8	R	RNA	polymer	14	4532.8	1		Escherichia coli
9	D	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
10	D	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	9
	Total formula weight	472981.4
Non-Polymers*	Number of molecules	3
	Total formula weight	155.1
All*	Total formula weight	473136.5

*Water molecules are not included.